{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xc710a59cc76847d138869e9cd87d681350132d30af5b79542cbe810169b1e383",
    "signature": "0x675b2c8a863c495438d0c2e88f49b907c4fbfd11c6e9f80a60d9d3a01a9ec4675a431ad5a56d0cb939d8b768b92458f0ed92d35ddb188425c52e6368e82692041c",
    "signer": "0x2C8378e2B6554919e06e1Be17D97fC2fFc0eDEe9",
    "userId": "557110086"
  }
}